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Old 01-27-2022, 07:17 AM   #14
mvweebles's Avatar
City: Saint Petersburg
Vessel Name: Weebles
Vessel Model: 1970 Willard 36 Trawler
Join Date: Mar 2019
Posts: 3,868
Originally Posted by Cigatoo View Post
Kindredspirits setup will allow for true direction if you add or subtract the wind direction in degrees from the boats heading in degrees……… Me thinks.
I had an early version of the Davis total wx station aboard. In theory, you can do the math. In practice, heading is always changing so math goes from simple add/subtract to differential equation calculus. These systems are designed for terrestrial applications where they are calibrated to North and do not move. Most useful in your home berth.

If you want a wind gauge to detect gust strength and direction (useful for docking in a pilot house), you really need the Airmar sensor I linked in previous post.

M/V Weebles
1970 Willard 36 Sedan Trawler
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